Math Notation Help


This glossary will help you build complex mathematical equations using the Tex markup language. This will involve using @@ or $$ before and after the expression to display the desired results.
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01 GETTING STARTED

escaping the TeX filter

  • With two triple $'s embracing an expression you can make the filter to escape and the code itself is shown (with two embracing double $'s).
  • Ex.: $$$a^2$$$ produces $$a^2$$, i.e. prevents the filter to render it as a formula gif.

mathematics expression

  • A valid expression inside the $'s is rendered as mathematics in an inserted gif image.
  • Ex.: $$x=y^2$$ creates 

x=y^2


triggering the TeX filter

  • Two double $'s embracing a valid math expression trigger the filter to generate and insert the formula gif.
  • Ex.:  $$a^2$$ produces a^2

02 ARITHMETIC EXPRESSIONS, SUB-/SUPERSCRIPTS, ROOTS

arithmetic operations

  • Type arithmetic operations and "=" as usual.
  • Exp.: $$f(x)=x-2b+(3a/c)$$ gives

f(x)=x-2b+(3a/c)

  • See also keyword "fraction" for extended capabilities.

constants

  • Numbers in formulas are interpreted as constants and they are rendered in non-italic roman font face, which is a widely used convention.
  • Following this convention, variables are shown in italic.
  • Exp.: $$f(x)=3a+x$$ gives

f(x)=3a+x


multiplication (with cdot)

$$a\cdot~b$$ gives a\cdot~b

root

  • Syntax: \sqrt[n]{arg} or simply  \sqrt{arg} for \sqrt[2]{arg}
  • Ex.: $$\sqrt[3]{8}$$ gives

\sqrt[3]{8}

  • Ex.: $$\sqrt{-1}$$ gives

\sqrt{-1}

  • Nesting of roots (and combining with fractions, ...etc.) are possible.
  • Ex.: $$\sqrt[n]{\frac{x^n-y^n}{1+u^{2n}}}$$ gives

\sqrt[n]{\frac{x^n-y^n}{1+u^{2n}}}

  • Ex.: $$\sqrt[3]{-q+\sqrt{q^2+p^3}}$$ gives

\sqrt[3]{-q+\sqrt{q^2+p^3}}


variables

  • Variables in formulas are rendered in italic roman font face, which is a widely used convention.
  • Following this convention, constants are shown as non-italic.
  • Exp.: $$f(x)=3a+x$$ gives

f(x)=3a+x


03 FONT STYLES

\LARGE (all capital letters)

  • Everthing following the \LARGE command will be output in the largest predefined font size until the system encounters another font size command.
  • Note: This command is case sensitive, since large, Large and LARGE are different sizes! 
  • Ex.: $$\LARGE~3x$$ gives \LARGE~3x

\Large (L capital letter)

  • Everthing following the \Large command will be output in the second largest font size until the system encounters another font size command.
  • Note: This command is case sensitive, since large, Large and LARGE are different sizes! 
  • Ex.: $$\Large~3x$$ gives \Large~3x


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